Exception
Some linters failed:
    - ArcanistPhutilXHPASTLinter: PhutilProxyException: Your version of 'xhpast' is unbuilt or out of date. Run this script to build it:
      
        $ /usr/local/phabricator/libphutil/scripts/build_xhpast.php
      
    - ArcanistXHPASTLinter: PhutilProxyException: Your version of 'xhpast' is unbuilt or out of date. Run this script to build it:
      
        $ /usr/local/phabricator/libphutil/scripts/build_xhpast.php
      
    - ArcanistPhutilLibraryLinter: CommandException: Command failed with error #2!
      COMMAND
      'gmake' -C '/usr/local/phabricator/libphutil/support/xhpast' 'clean' 'all' 'install'
      
      STDOUT
      gmake: Entering directory `/usr/local/phabricator/libphutil/support/xhpast'
      rm xhpast parser.yacc.output libxhpast.a *.o 2>/dev/null
      g++ -c -fPIC -g -Wall -O3 -minline-all-stringops -o scanner.lex.o scanner.lex.cpp
      gmake: Leaving directory `/usr/local/phabricator/libphutil/support/xhpast'
      
      
      STDERR
      gmake: [clean] Error 1 (ignored)
      scanner.lex.cpp: In function ‘yy_state_type yy_try_NUL_trans(yy_state_type, void*)’:
      scanner.lex.cpp:5227:23: warning: unused variable ‘yyg’
      Assembler messages:
      Fatal error: can't create scanner.lex.o: Permission denied
      gmake: *** [scanner.lex.o] Error 1
      
(Run with `--trace` for a full exception trace.)